Raymark
雷达信标，雷达指向标
🗣️ 情景例句
They talk about things like family, work, school or sports.
他们常常谈论家庭，工作，学校或运动。
It's no use pumping a dry well.
徒劳无益。
He thought they needed to know the direction to it.
它们还需要知道去那里的方向。